North Sea Videos on Instagram: "Seahorses are unique marine creatures known for their horse-like heads, prehensile tails, and upright swimming posture. Unlike most fish, they lack scales and are covered in bony plates. Manta rays are gentle giants of the ocean, known for their large, wing-like fins and graceful swimming. They can reach widths of up to 7 meters (23 feet) and are filter feeders, consuming plankton and small fish. Despite their size, manta rays are harmless to humans and play a vit